Question

QSujata is 7 years older than her brother Ravi.If the sum of their ages is 31 years find their present ages.​

Answer 1

Answer:

Step-by-step explanation: let sujata's age be x and her brother's age be y

so, given that x= y+7     (i)

also given that , x + y = 31

                          y+7+y = 31     ( from equation (i)  )

                           2y = 31-7

                           2y = 24

                             y = $\frac{24}{2}$ = 12

hence sujata's age is 19 and her brother's age is 12

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Answer 2

Given :-

• Sujata is 7 years older than her brother Ravi.
• Sum of their ages = 31years

To Find :-

• Their Present Ages

Solution :-

⟼ Let the age of Ravi be x

⟼ Then the age of Sujata will be x + 7

According to the Question :

➞ Sum of their ages = 31

➞ x + x + 7 = 31

➞ x + x = 31 - 7

➞ x + x = 24

➞ 2x = 24

➞ x = 24 / 2

➞ x = 12

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Therefore :

• Age of Ravi = x = 12 years
• Age of Sujata = x + 7 = 12 + 7 = 19 years

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